HE: 80gBBHK RF 75x105mm Idea Play Thank you for purchasing the [Delay QS100 power bank, please read this user manual carefully before using the power bank. Product Overview (dll => LED Display 1. "Paar" button: Press the "Power" button lightly to turn an the Power Bank, When curbed on, the LESS wl light up. The number of LED letup on the Power Bank Indicates the remaining battery charge. Press the “Power” button lightly again to turn off the Aver Bank. 2 Power Indicator: ‘There are 5 LED on the power bank.